:root {
  --bg: #f4efe6;
  --card: rgba(255, 251, 245, 0.88);
  --card-border: rgba(86, 63, 41, 0.12);
  --text: #1f1a17;
  --muted: #66594d;
  --accent: #bb5a2d;
  --accent-strong: #913c1a;
  --accent-soft: rgba(187, 90, 45, 0.12);
  --shadow: 0 24px 60px rgba(58, 38, 20, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --content-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 208, 168, 0.7), transparent 28%),
    radial-gradient(circle at top right, rgba(221, 136, 78, 0.22), transparent 24%),
    linear-gradient(180deg, #f9f3ea 0%, #f1e7da 100%);
  min-height: 100vh;
}

img {
  display: block;
  max-width: 100%;
}

button,
input,
select {
  font: inherit;
}

.page-shell {
  width: min(calc(100% - 32px), var(--content-width));
  margin: 0 auto;
  padding: 48px 0 72px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 48px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.84), rgba(255, 244, 231, 0.94)),
    linear-gradient(135deg, rgba(145, 60, 26, 0.18), rgba(187, 90, 45, 0.06));
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -40px -40px auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(187, 90, 45, 0.2), transparent 68%);
}

.eyebrow,
.section-kicker,
.sample-label,
.block-label {
  margin: 0 0 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent-strong);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Manrope", sans-serif;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}

h1 {
  max-width: 26ch;
  font-size: clamp(1.7rem, 5vw, 3.3rem);
}

h2 {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  margin-bottom: 16px;
}

h3 {
  font-size: clamp(0.7rem, 4vw, 1.2rem);
  font-weight: 700;
}

.hero-meta,
.hero-affiliation,
.section-heading p,
.status-line,
.long-text,
.model-name,
.model-text {
  color: var(--muted);
}

.hero-meta {
  margin: 24px 0 8px;
  font-size: 1.1rem;
  font-weight: 600;
}

.hero-affiliation {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.resource-link,
.secondary-button {
  border: 1px solid rgba(145, 60, 26, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  color: var(--text);
  text-decoration: none;
  padding: 12px 18px;
  font-weight: 700;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.resource-link:hover,
.secondary-button:hover {
  transform: translateY(-1px);
  border-color: rgba(145, 60, 26, 0.4);
  background: rgba(255, 247, 238, 0.98);
}

main {
  display: grid;
  gap: 28px;
  margin-top: 28px;
}

.section-card {
  padding: 36px;
  border-radius: var(--radius-xl);
  background: var(--card);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.controls-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.control {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.control span {
  font-size: 0.92rem;
  font-weight: 800;
}

.control-wide {
  grid-column: span 2;
}

.inline-control {
  display: flex;
  gap: 12px;
}

.source-toggle {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.source-option {
  position: relative;
  display: flex;
}

.source-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.source-option span {
  width: 100%;
  border: 1px solid rgba(86, 63, 41, 0.16);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.78);
  padding: 14px 16px;
  color: var(--muted);
  text-align: center;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    color 180ms ease;
}

.source-option input:checked + span {
  border-color: rgba(145, 60, 26, 0.42);
  background: rgba(255, 244, 231, 0.96);
  color: var(--accent-strong);
}

.source-option input:focus-visible + span {
  outline: 2px solid rgba(187, 90, 45, 0.2);
}

input,
select {
  width: 100%;
  min-width: 0;
  border-radius: var(--radius-md);
  border: 1px solid rgba(86, 63, 41, 0.16);
  background: rgba(255, 255, 255, 0.9);
  padding: 12px 14px;
  color: var(--text);
}

input:focus,
select:focus {
  outline: 2px solid rgba(187, 90, 45, 0.2);
  border-color: rgba(187, 90, 45, 0.5);
}

.status-line {
  min-height: 1.5em;
  margin: 18px 0 0;
  font-size: 0.95rem;
}

.sample-viewer {
  margin-top: 18px;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(86, 63, 41, 0.1);
}

.sample-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.sample-count {
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 800;
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.image-card {
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(86, 63, 41, 0.12);
  background: #fff7ef;
}

.image-card img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: linear-gradient(135deg, #f7ede1, #ead8c4);
}

.image-caption {
  padding: 12px 14px;
  font-size: 0.94rem;
  font-weight: 700;
}

.annotation-block {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(86, 63, 41, 0.1);
}

.long-text {
  margin: 0;
  line-height: 1.7;
  font-size: 1rem;
}

.model-output-list {
  display: grid;
  gap: 14px;
}

.model-output-item {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 249, 241, 0.86);
  border: 1px solid rgba(145, 60, 26, 0.1);
}

.model-name {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 800;
}

.model-score {
  display: block;
  margin-bottom: 10px;
  color: var(--accent-strong);
  font-size: 0.88rem;
  font-weight: 800;
}

.model-text {
  margin: 0;
  line-height: 1.7;
}

.bibtex-block {
  overflow-x: auto;
  padding: 22px;
  border-radius: var(--radius-lg);
  background: #1f1a17;
  color: #fff4e7;
  line-height: 1.6;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

@media (max-width: 840px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--content-width));
    padding: 20px 0 40px;
  }

  .hero,
  .section-card {
    padding: 24px;
  }

  .controls-grid,
  .image-grid {
    grid-template-columns: 1fr;
  }

  .control-wide {
    grid-column: auto;
  }

  .inline-control,
  .sample-header {
    flex-direction: column;
    align-items: stretch;
  }
}